Frameworks

Similar to PhoneGap (also described in the directory of resources) on the general terms, Titanium lets you use your Javascript, HTML, and CSS skills and technologies to build cross-platform iPhone / Android apps. It supports all of the iPhone, iPad and Android UI, including table...[more]

If you're developing a mobile app that you don't want to limit to a single platform, and you want to write a native app instead of a web app, it means that you would need to develop completely distinct apps with the platform's specific language and SDK.

Online services

Like Flurry, Google Analytics can be integrated into mobile apps (iPhone and Android only so far) to provide developers useful information about their users and the use they make of their apps: how many users there are, how much they use the app, what functions they use most, etc...[more]

You've released your mobile app in the stores. Now what? How can you know how many people are using it, how often they use it, from which countries, from what phones? What features are considered useful and used every time, and what others are completely ignored? Providing a...[more]

The host for this resource page, Mopapp is a Software-as-a-Service that allows application developers to retrieve, analyze and chart the downloads, upgrades, sales, revenues and profit of their mobile applications.
The most interesting aspect of the product is that it’s cr...[more]

Forums and discussion boards

User interaction articles

GUI stuff for designers

The Android Common Icon Set contains 24 icons that will be usefull for most Android applications, such as previous, next, first, last, pause, play, pin, speaker, calendar, option, plus, note, music and more. The icons come in the following sizes: 16x16, 24x24, 32x32, 48x48 pixels...[more]